a documentarywithpbs's "frontline"on adam lanza. susan, you spoke with the connecticut state police. what are they telling you? >> as police put it, they're saying that "we're dealing with a shooter who is dead and now we're trying to rebuild history." police are downplaying the cbs report. quoting here, here's what they're telling me, "there's no basis to the cbs story. we have not established a motive. it's inaccurate. i talked with cbs and told them that. the cbs story is not accurate whatsoever." however, the spokesman also told me that the possibility that lanza was trying to outdo norway has not been ruled out nor has anything else. investigators reportedly suggest that adam lanza may have been trying to one-up another mass murder by topping anders breivik in norway, as you said he killed 77 people, mainly teenagers. cbs news quotes law enforcement sources who found evidence of that as a possible motive in newtown. part of the evidence? news articles. "the hartford courant" reports several stories about the massacre were discovered in one of lanza's two bedrooms. connecticut investi